<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<h1>字符串、整数、布尔、数组</h1>
		<script>
			var str = "javascript 的数据类型";
			console.log(str);
			
			var i = 100;
			console.log(i);
			
			var isMan = true;
			console.log( isMan );
			
			var hobby = ["乒乓球", "唱歌", "爬山", "it计算机", "下象棋"]
			console.log( hobby );
			console.log( hobby[0] ); //数组的下标是从0开始
			console.log( hobby[ hobby.length-1] ); //最后一个元素
			
		</script>
	</body>
</html>
